ahow old is about one kilometre long. 多么老是大约一公里长。[translate] anot to advanced is to go back 不对先进是回去[translate] a由于天气恶劣,体育比赛被取消 Because the weather is bad, the athletic contest is cancelled[translate]
The accelerated aging of China’s population will inevitably increase the burden of social retirement and significantly impact the development of financial markets, which is not conducive to sustainable social development. A proper allocation of financia
The final simulation results show that the AHP-ELM model is the best evaluation model. Keywords: smart city; evaluation; PSF evaluation model; analytic hierarchy process; BP neural networks; extremely learning machine; sustainability; green operation 1. Introduction The globalization trend has greatly ...